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          CSS3之animation动画
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      </script></div> <div class="theme-vdoing-content content__default"><h1 id="css3之animation动画"><a href="#css3之animation动画" class="header-anchor">#</a> CSS3之animation动画</h1> <blockquote><p>可用<kbd>F12</kbd>开发者工具查看元素及样式，可打开codepen在线编辑代码。</p></blockquote> <div data-config="" data-type="vanilla" data-code="%3Chtml%3E%0A%20%20%3Cdiv%20class%3D%22animationBox%22%3E%0A%20%20%20%20%3Cdiv%20class%3D%22rotate%22%3E%E6%97%8B%E8%BD%AC%E5%8A%A8%E7%94%BB1%3C%2Fdiv%3E%0A%20%20%20%20%3Cdiv%20class%3D%22play%22%3E%0A%20%20%20%20%20%20%3Cdiv%20class%3D%22img%22%3E%E6%97%8B%E8%BD%AC%E5%8A%A8%E7%94%BB2%3C%2Fdiv%3E%0A%20%20%20%20%20%20%3Cspan%3E%3Cp%20class%3D%22p2%22%3E%3C%2Fp%3E%3C%2Fspan%3E%0A%20%20%20%20%20%20%3Cspan%3E%3Cp%3E%3C%2Fp%3E%3C%2Fspan%3E%0A%20%20%20%20%20%20%3Cspan%3E%3Cp%3E%3C%2Fp%3E%3C%2Fspan%3E%0A%20%20%20%20%20%20%3Cspan%3E%3Cp%20class%3D%22p2%22%3E%3C%2Fp%3E%3C%2Fspan%3E%0A%20%20%20%20%3C%2Fdiv%3E%0A%20%20%20%20%3Cdiv%20class%3D%22elasticity%22%3E%E5%BC%B9%E6%80%A7%E5%8A%A8%E7%94%BB%3C%2Fdiv%3E%0A%20%20%20%20%3Cdiv%20class%3D%22elasticity2%22%3E%E6%9B%B2%E7%BA%BF%E5%BC%B9%E6%80%A7%3C%2Fdiv%3E%0A%20%20%3C%2Fdiv%3E%0A%3C%2Fhtml%3E%0A%0A%3Cstyle%3E%0A%20%20.animationBox%7Boverflow%3A%20hidden%3B%7D%0A%20%20.animationBox%3Ediv%7B%0A%20%20%20%20width%3A%20100px%3Bheight%3A%20100px%3Bbackground%3A%20%23eee%3Bborder-radius%3A%2050%25%3Btext-align%3A%20center%3Bline-height%3A%20100px%3Bmargin%3A%2030px%3Bfloat%3Aleft%3B%0A%20%20%7D%0A%20%20.rotate%7B%0A%20%20%20%20animation%3A%20rotate%205s%20linear%20infinite%0A%20%20%7D%0A%20%20.rotate%3Ahover%7B%20animation-play-state%3A%20paused%7D%0A%20%20%40keyframes%20rotate%20%7B%0A%20%20%20%200%25%7Btransform%3A%20rotate(0)%3B%7D%0A%20%20100%25%7Btransform%3A%20rotate(360deg)%3B%7D%0A%20%20%7D%0A%20%20.animationBox%3E.play%20%7B%0A%20%20%20%20position%3A%20relative%3B%0A%20%20%20%20margin%3A%2050px%2030px%3B%0A%20%20%20%20background%3Anone%3B%0A%20%20%7D%0A%20%20.play%20.img%7B%0A%20%20%20%20position%3A%20absolute%3B%0A%20%20%20%20top%3A%200%3B%0A%20%20%20%20left%3A0%3B%0A%20%20%20%20z-index%3A%201%3B%0A%20%20%20%20width%3A%20100px%3Bheight%3A%20100px%3B%20background%3A%20%23eee%3B%0A%20%20%20%20border-radius%3A%2050%25%3B%0A%0A%20%20%20%20animation%3A%20rotate%205s%20linear%20infinite%0A%20%20%7D%0A%20%20.play%20span%20%7B%0A%20%20%20%20position%3A%20absolute%3B%0A%20%20%20%20top%3A%201px%3B%0A%20%20%20%20left%3A1px%3B%0A%20%20%20%20z-index%3A%200%3B%0A%20%20%20%20display%3A%20block%3B%0A%20%20%20%20width%3A%2096px%3B%0A%20%20%20%20height%3A%2096px%3B%0A%20%20%20%20border%3A%201px%20solid%20%23999%3B%0A%20%20%20%20border-radius%3A%2050%25%3B%0A%20%20%7D%0A%20%20.play%20span%20p%7Bdisplay%3A%20block%3Bwidth%3A%204px%3Bheight%3A%204px%3Bbackground%3A%20%23000%3Bmargin%3A%20-2px%200%200%2050%25%3Bborder-radius%3A%2050%25%3Bopacity%3A%200.5%3B%7D%0A%20%20.play%20span%20.p2%7Bmargin%3A%2050%25%200%200%20-2px%3B%7D%0A%20%20.play%20span%7B%0A%20%20%20%20animation%3A%20wave%205s%20linear%20infinite%0A%20%20%7D%0A%20%20.play%3Espan%3Anth-child(3)%7B%0A%20%20%20%20%2F*%20%E5%BB%B6%E8%BF%9F%E6%97%B6%E9%97%B4%20*%2F%0A%20%20%20%20animation-delay%3A1s%3B%20%0A%20%20%7D%0A%20%20.play%3Espan%3Anth-child(4)%7B%0A%20%20%20%20animation-delay%3A2.2s%3B%0A%20%20%7D%0A%20%20.play%3Espan%3Anth-child(5)%7B%0A%20%20%20%20animation-delay%3A3.8s%3B%0A%20%20%7D%0A%20%20%0A%20%20%40keyframes%20wave%20%7B%0A%20%20%20%200%25%0A%20%20%20%20%7B%0A%20%20%20%20%20%20transform%3Ascale(1)%20rotate(360deg)%3B%0A%20%20%20%20%20%20opacity%3A%200.8%3B%0A%20%20%20%20%7D%0A%20%20100%25%0A%20%20%20%20%7B%0A%20%20%20%20%20%20transform%3Ascale(1.8)%20rotate(0deg)%3B%0A%20%20%20%20%20%20opacity%3A%200%3B%0A%20%20%20%20%7D%0A%20%20%7D%0A%0A%0A%20%20.elasticity%7B%0A%20%20%20%20%2F*%20%E5%8F%82%E6%95%B0%E8%AF%B4%E6%98%8E%0A%20%20%20%20%20%20%E5%8A%A8%E7%94%BB%E5%90%8D%E7%A7%B0%20%E8%8A%B1%E8%B4%B9%E6%97%B6%E9%97%B4%20%E8%B4%9D%E5%A1%9E%E5%B0%94%E6%9B%B2%E7%BA%BF%20%E5%BB%B6%E8%BF%9F%E5%BC%80%E5%A7%8B%E6%97%B6%E9%97%B4%20%E6%92%AD%E6%94%BE%E6%AC%A1%E6%95%B0n%7Cinfinite%20%20%E6%98%AF%E5%90%A6%E5%8F%8D%E5%90%91%E6%92%AD%E6%94%BE%E5%8A%A8%E7%94%BB%0A%20%20%20%20*%2F%0A%20%20%20%20animation%3A%20elasticity%201s%20linear%202s%20infinite%0A%20%20%7D%0A%20%20%0A%20%20%40keyframes%20elasticity%7B%0A%20%20%20%200%25%7B%0A%20%20%20%20%20%20transform%3A%20scale(0)%3B%0A%20%20%20%20%7D%0A%20%20%20%2060%25%7B%0A%20%20%20%20%20%20transform%3A%20scale(1.1)%3B%0A%20%20%20%20%7D%0A%20%20%20%2090%25%7B%0A%20%20%20%20%20%20transform%3A%20scale(1)%3B%0A%20%20%20%20%7D%0A%20%20%7D%0A%20%20%0A%0A%20%20.elasticity2%7B%0A%20%20%20%20%2F**%0A%20%20%20%20%E8%B4%9D%E5%A1%9E%E5%B0%94%E6%9B%B2%E7%BA%BF%20cubic-bezier(x1%2Cy1%2Cx2%2Cy2)%0A%0A%20%20%20%20%E9%80%9A%E8%BF%87%E8%B0%83%E6%95%B4%E8%B4%9D%E5%A1%9E%E5%B0%94%E6%9B%B2%E7%BA%BF%E5%8F%AF%E4%BB%A5%E8%AE%BE%E7%BD%AE%E5%87%BA%E5%A4%9A%E7%A7%8D%E5%8A%A8%E7%94%BB%E6%95%88%E6%9E%9C%EF%BC%8C%E6%AF%94%E5%A6%82%E5%8F%8D%E5%BC%B9%E6%95%88%E6%9E%9C%E7%AD%89%0A%20%20%20%20X%E8%BD%B4%E7%9A%84%E8%8C%83%E5%9B%B4%E6%98%AF0~1%EF%BC%8CY%E8%BD%B4%E7%9A%84%E5%8F%96%E5%80%BC%E6%B2%A1%E6%9C%89%E8%A7%84%E5%AE%9A%EF%BC%8C%E4%BD%86%E6%98%AF%E4%B9%9F%E4%B8%8D%E5%AE%9C%E8%BF%87%E5%A4%A7%0A%20%20%20%20%E7%9B%B4%E7%BA%BF%EF%BC%9Alinear%EF%BC%8C%E5%8D%B3cubic-bezier(0%2C0%2C1%2C1)%0A%0A%20%20%20%20%E8%B4%9D%E5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class="vuepress-plugin-demo-block__wrapper" style="display:none;"><div class="vuepress-plugin-demo-block__display"><div class="vuepress-plugin-demo-block__app"></div></div> <div class="vuepress-plugin-demo-block__code"><div class="language-html line-numbers-mode"><pre class="language-html"><code><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>html</span><span class="token punctuation">&gt;</span></span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>animationBox<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>rotate<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>旋转动画1<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>play<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
      <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>img<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>旋转动画2<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
      <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>span</span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>p</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>p2<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>p</span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>span</span><span class="token punctuation">&gt;</span></span>
      <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>span</span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>p</span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>p</span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>span</span><span class="token punctuation">&gt;</span></span>
      <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>span</span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>p</span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>p</span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>span</span><span class="token punctuation">&gt;</span></span>
      <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>span</span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>p</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>p2<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>p</span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>span</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>elasticity<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>弹性动画<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>elasticity2<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>曲线弹性<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>html</span><span class="token punctuation">&gt;</span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>style</span><span class="token punctuation">&gt;</span></span><span class="token style"><span class="token language-css">
  <span class="token selector">.animationBox</span><span class="token punctuation">{</span><span class="token property">overflow</span><span class="token punctuation">:</span> hidden<span class="token punctuation">;</span><span class="token punctuation">}</span>
  <span class="token selector">.animationBox&gt;div</span><span class="token punctuation">{</span>
    <span class="token property">width</span><span class="token punctuation">:</span> 100px<span class="token punctuation">;</span><span class="token property">height</span><span class="token punctuation">:</span> 100px<span class="token punctuation">;</span><span class="token property">background</span><span class="token punctuation">:</span> #eee<span class="token punctuation">;</span><span class="token property">border-radius</span><span class="token punctuation">:</span> 50%<span class="token punctuation">;</span><span class="token property">text-align</span><span class="token punctuation">:</span> center<span class="token punctuation">;</span><span class="token property">line-height</span><span class="token punctuation">:</span> 100px<span class="token punctuation">;</span><span class="token property">margin</span><span class="token punctuation">:</span> 30px<span class="token punctuation">;</span><span class="token property">float</span><span class="token punctuation">:</span>left<span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
  <span class="token selector">.rotate</span><span class="token punctuation">{</span>
    <span class="token property">animation</span><span class="token punctuation">:</span> rotate 5s linear infinite
  <span class="token punctuation">}</span>
  <span class="token selector">.rotate:hover</span><span class="token punctuation">{</span> <span class="token property">animation-play-state</span><span class="token punctuation">:</span> paused<span class="token punctuation">}</span>
  <span class="token atrule"><span class="token rule">@keyframes</span> rotate</span> <span class="token punctuation">{</span>
    <span class="token selector">0%</span><span class="token punctuation">{</span><span class="token property">transform</span><span class="token punctuation">:</span> <span class="token function">rotate</span><span class="token punctuation">(</span>0<span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token punctuation">}</span>
  <span class="token selector">100%</span><span class="token punctuation">{</span><span class="token property">transform</span><span class="token punctuation">:</span> <span class="token function">rotate</span><span class="token punctuation">(</span>360deg<span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token punctuation">}</span>
  <span class="token punctuation">}</span>
  <span class="token selector">.animationBox&gt;.play</span> <span class="token punctuation">{</span>
    <span class="token property">position</span><span class="token punctuation">:</span> relative<span class="token punctuation">;</span>
    <span class="token property">margin</span><span class="token punctuation">:</span> 50px 30px<span class="token punctuation">;</span>
    <span class="token property">background</span><span class="token punctuation">:</span>none<span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
  <span class="token selector">.play .img</span><span class="token punctuation">{</span>
    <span class="token property">position</span><span class="token punctuation">:</span> absolute<span class="token punctuation">;</span>
    <span class="token property">top</span><span class="token punctuation">:</span> 0<span class="token punctuation">;</span>
    <span class="token property">left</span><span class="token punctuation">:</span>0<span class="token punctuation">;</span>
    <span class="token property">z-index</span><span class="token punctuation">:</span> 1<span class="token punctuation">;</span>
    <span class="token property">width</span><span class="token punctuation">:</span> 100px<span class="token punctuation">;</span><span class="token property">height</span><span class="token punctuation">:</span> 100px<span class="token punctuation">;</span> <span class="token property">background</span><span class="token punctuation">:</span> #eee<span class="token punctuation">;</span>
    <span class="token property">border-radius</span><span class="token punctuation">:</span> 50%<span class="token punctuation">;</span>

    <span class="token property">animation</span><span class="token punctuation">:</span> rotate 5s linear infinite
  <span class="token punctuation">}</span>
  <span class="token selector">.play span</span> <span class="token punctuation">{</span>
    <span class="token property">position</span><span class="token punctuation">:</span> absolute<span class="token punctuation">;</span>
    <span class="token property">top</span><span class="token punctuation">:</span> 1px<span class="token punctuation">;</span>
    <span class="token property">left</span><span class="token punctuation">:</span>1px<span class="token punctuation">;</span>
    <span class="token property">z-index</span><span class="token punctuation">:</span> 0<span class="token punctuation">;</span>
    <span class="token property">display</span><span class="token punctuation">:</span> block<span class="token punctuation">;</span>
    <span class="token property">width</span><span class="token punctuation">:</span> 96px<span class="token punctuation">;</span>
    <span class="token property">height</span><span class="token punctuation">:</span> 96px<span class="token punctuation">;</span>
    <span class="token property">border</span><span class="token punctuation">:</span> 1px solid #999<span class="token punctuation">;</span>
    <span class="token property">border-radius</span><span class="token punctuation">:</span> 50%<span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
  <span class="token selector">.play span p</span><span class="token punctuation">{</span><span class="token property">display</span><span class="token punctuation">:</span> block<span class="token punctuation">;</span><span class="token property">width</span><span class="token punctuation">:</span> 4px<span class="token punctuation">;</span><span class="token property">height</span><span class="token punctuation">:</span> 4px<span class="token punctuation">;</span><span class="token property">background</span><span class="token punctuation">:</span> #000<span class="token punctuation">;</span><span class="token property">margin</span><span class="token punctuation">:</span> -2px 0 0 50%<span class="token punctuation">;</span><span class="token property">border-radius</span><span class="token punctuation">:</span> 50%<span class="token punctuation">;</span><span class="token property">opacity</span><span class="token punctuation">:</span> 0.5<span class="token punctuation">;</span><span class="token punctuation">}</span>
  <span class="token selector">.play span .p2</span><span class="token punctuation">{</span><span class="token property">margin</span><span class="token punctuation">:</span> 50% 0 0 -2px<span class="token punctuation">;</span><span class="token punctuation">}</span>
  <span class="token selector">.play span</span><span class="token punctuation">{</span>
    <span class="token property">animation</span><span class="token punctuation">:</span> wave 5s linear infinite
  <span class="token punctuation">}</span>
  <span class="token selector">.play&gt;span:nth-child(3)</span><span class="token punctuation">{</span>
    <span class="token comment">/* 延迟时间 */</span>
    <span class="token property">animation-delay</span><span class="token punctuation">:</span>1s<span class="token punctuation">;</span> 
  <span class="token punctuation">}</span>
  <span class="token selector">.play&gt;span:nth-child(4)</span><span class="token punctuation">{</span>
    <span class="token property">animation-delay</span><span class="token punctuation">:</span>2.2s<span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
  <span class="token selector">.play&gt;span:nth-child(5)</span><span class="token punctuation">{</span>
    <span class="token property">animation-delay</span><span class="token punctuation">:</span>3.8s<span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
  
  <span class="token atrule"><span class="token rule">@keyframes</span> wave</span> <span class="token punctuation">{</span>
    <span class="token selector">0%</span>
    <span class="token punctuation">{</span>
      <span class="token property">transform</span><span class="token punctuation">:</span><span class="token function">scale</span><span class="token punctuation">(</span>1<span class="token punctuation">)</span> <span class="token function">rotate</span><span class="token punctuation">(</span>360deg<span class="token punctuation">)</span><span class="token punctuation">;</span>
      <span class="token property">opacity</span><span class="token punctuation">:</span> 0.8<span class="token punctuation">;</span>
    <span class="token punctuation">}</span>
  <span class="token selector">100%</span>
    <span class="token punctuation">{</span>
      <span class="token property">transform</span><span class="token punctuation">:</span><span class="token function">scale</span><span class="token punctuation">(</span>1.8<span class="token punctuation">)</span> <span class="token function">rotate</span><span class="token punctuation">(</span>0deg<span class="token punctuation">)</span><span class="token punctuation">;</span>
      <span class="token property">opacity</span><span class="token punctuation">:</span> 0<span class="token punctuation">;</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span>


  <span class="token selector">.elasticity</span><span class="token punctuation">{</span>
    <span class="token comment">/* 参数说明
      动画名称 花费时间 贝塞尔曲线 延迟开始时间 播放次数n|infinite  是否反向播放动画
    */</span>
    <span class="token property">animation</span><span class="token punctuation">:</span> elasticity 1s linear 2s infinite
  <span class="token punctuation">}</span>
  
  <span class="token atrule"><span class="token rule">@keyframes</span> elasticity</span><span class="token punctuation">{</span>
    <span class="token selector">0%</span><span class="token punctuation">{</span>
      <span class="token property">transform</span><span class="token punctuation">:</span> <span class="token function">scale</span><span class="token punctuation">(</span>0<span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>
    <span class="token selector">60%</span><span class="token punctuation">{</span>
      <span class="token property">transform</span><span class="token punctuation">:</span> <span class="token function">scale</span><span class="token punctuation">(</span>1.1<span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>
    <span class="token selector">90%</span><span class="token punctuation">{</span>
      <span class="token property">transform</span><span class="token punctuation">:</span> <span class="token function">scale</span><span class="token punctuation">(</span>1<span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span>
  

  <span class="token selector">.elasticity2</span><span class="token punctuation">{</span>
    <span class="token comment">/**
    贝塞尔曲线 cubic-bezier(x1,y1,x2,y2)

    通过调整贝塞尔曲线可以设置出多种动画效果，比如反弹效果等
    X轴的范围是0~1，Y轴的取值没有规定，但是也不宜过大
    直线：linear，即cubic-bezier(0,0,1,1)

    贝塞尔曲线在线工具：https://cubic-bezier.com/#.17,.67,.83,.67
      */</span>
    <span class="token property">animation</span><span class="token punctuation">:</span> elasticity2 1s <span class="token function">cubic-bezier</span><span class="token punctuation">(</span>.39<span class="token punctuation">,</span>.62<span class="token punctuation">,</span>.74<span class="token punctuation">,</span>1.39<span class="token punctuation">)</span> 2s infinite
  <span class="token punctuation">}</span>
  <span class="token atrule"><span class="token rule">@keyframes</span> elasticity2</span><span class="token punctuation">{</span>
    <span class="token selector">0%</span><span class="token punctuation">{</span>
      <span class="token property">transform</span><span class="token punctuation">:</span> <span class="token function">scale</span><span class="token punctuation">(</span>0<span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>
    <span class="token selector">90%</span><span class="token punctuation">{</span>
      <span class="token property">transform</span><span class="token punctuation">:</span> <span class="token function">scale</span><span class="token punctuation">(</span>1<span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span>
</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>style</span><span class="token punctuation">&gt;</span></span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span 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class="line-number">75</span><br><span class="line-number">76</span><br><span class="line-number">77</span><br><span class="line-number">78</span><br><span class="line-number">79</span><br><span class="line-number">80</span><br><span class="line-number">81</span><br><span class="line-number">82</span><br><span class="line-number">83</span><br><span class="line-number">84</span><br><span class="line-number">85</span><br><span class="line-number">86</span><br><span class="line-number">87</span><br><span class="line-number">88</span><br><span class="line-number">89</span><br><span class="line-number">90</span><br><span class="line-number">91</span><br><span class="line-number">92</span><br><span class="line-number">93</span><br><span class="line-number">94</span><br><span class="line-number">95</span><br><span class="line-number">96</span><br><span class="line-number">97</span><br><span class="line-number">98</span><br><span class="line-number">99</span><br><span class="line-number">100</span><br><span class="line-number">101</span><br><span class="line-number">102</span><br><span class="line-number">103</span><br><span class="line-number">104</span><br><span class="line-number">105</span><br><span class="line-number">106</span><br><span class="line-number">107</span><br><span class="line-number">108</span><br><span class="line-number">109</span><br><span class="line-number">110</span><br><span class="line-number">111</span><br><span class="line-number">112</span><br><span class="line-number">113</span><br><span class="line-number">114</span><br><span class="line-number">115</span><br><span class="line-number">116</span><br><span class="line-number">117</span><br><span class="line-number">118</span><br><span class="line-number">119</span><br><span class="line-number">120</span><br><span class="line-number">121</span><br><span class="line-number">122</span><br><span class="line-number">123</span><br><span class="line-number">124</span><br><span class="line-number">125</span><br></div></div></div> <div class="vuepress-plugin-demo-block__footer"></div></div> <h3 id="贝塞尔曲线-cubic-bezier-x1-y1-x2-y2"><a href="#贝塞尔曲线-cubic-bezier-x1-y1-x2-y2" class="header-anchor">#</a> 贝塞尔曲线 cubic-bezier(x1,y1,x2,y2)</h3> <p>通过调整贝塞尔曲线可以设置出多种动画效果，比如反弹效果等 X轴的范围是0~1，Y轴的取值没有规定，但是也不宜过大。 如：直线linear，即cubic-bezier(0,0,1,1)</p> <p>贝塞尔曲线在线工具：<a href="https://cubic-bezier.com/#.17,.67,.83,.67" target="_blank" rel="noopener noreferrer">https://cubic-bezier.com/#.17,.67,.83,.67<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></p> <blockquote><p>参考：<a href="https://www.w3school.com.cn/css3/index.asp" target="_blank" rel="noopener noreferrer">https://www.w3school.com.cn/css3/index.asp<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></p></blockquote></div></div> <div class="page-slot page-slot-bottom"><!-- 横向自适应 -->
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